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用于低开关频率三电平中点钳位双三相永磁同步电机驱动的交错模型预测控制

Interleaved Model Predictive Control for Three-Level Neutral-Point-Clamped Dual Three-Phase PMSM Drives With Low Switching Frequencies

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中文摘要

本文研究了低开关频率下,三电平中点钳位(NPC)逆变器驱动双三相永磁同步电机(PMSM)的控制策略。提出了一种交错有限控制集模型预测控制(MPC)方案,通过设计双层MPC架构解决多目标优化问题,有效提升了系统在低开关频率下的性能。

English Abstract

In this article, the control strategy is studied for the neutral-point-clamped three-level inverter-fed dual three-phase permanent-magnet synchronous motor (PMSM) drive with low switching frequencies. An interleaved finite-control-set model predictive control (MPC) scheme is proposed, where a two-layer MPC is designed to solve the multiobjective optimization problem. The two sets of windings in PM...
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SunView 深度解读

该技术对阳光电源的工业驱动及大型储能系统中的高功率密度变流器具有重要参考价值。三电平NPC拓扑是阳光电源大功率组串式逆变器和PowerTitan储能变流器的核心技术之一。通过引入交错MPC控制,可以在保持低开关频率以降低损耗的同时,提升电流质量并优化多目标控制性能。建议研发团队关注该双层MPC架构在大型储能PCS中的应用,以提升系统在复杂电网环境下的动态响应速度和效率,同时利用交错技术进一步降低输出滤波器的设计难度与成本。